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The study analyses chromium concentration in plants growing around an area of chromite mineralisation, and proposes that the availability of chromium in plants could have adverse health effects when ingested by domestic animals and ultimately by the human population. This geoepidemiological attribute of geobotany has been observed in the form of chromium eczema in humans. The study was undertaken in the Sekerr Sub-location West Pokot District, which is located in the humid tropical region of the Republic of Kenya. As well as having natural vegetation cover, there are no sources of airborne pollutants in the area, which would vitiate trace element analysis in geobotanical research. The assay results show that the species Satureja abyssinica, Protea kilimandischarica, Ficus sycomorus, and Maerua subcordata have high chromium concentrations. These plants are generally browsed by domestic animals and are in turn eaten by humans. It is, therefore, proposed that a detailed analysis of chromium concentration in blood samples of both domestic animals and the human population be undertaken in order to assess its concentration levels in the population living in this geochemical environment. 相似文献
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